[1] Osped San Raffaele, Diabet Res Inst, Dept Internal Med Diabet Endocrinol & Metab Dis, Milan, Italy
[2] Univ Bari Aldo Moro, Sect Internal Med, Dept Precis & Regenerat Med & Ionian Area, Endocrinol Androl & Metab Dis, Bari, Italy
[3] Osped San Raffaele, Div Expt Oncol, Pancreas Translat & Clin Res Ctr, Milan, Italy
[4] Osped San Raffaele, Unit Pancreat Surg, Milan, Italy
[5] Osped San Raffaele, Diabet Res Inst, Milan, Italy
[6] Univ Vita Salute San Raffaele, San Raffaele Hosp, Dept Internal Med Diabet Endocrinol & Metab Disea, Milan, Italy
[7] Univ Vita Salute San Raffaele, San Raffaele Hosp, Regenerat Med & Transplant Unit, Diabet Res Inst, Milan, Italy